1855684348 has 24 divisors (see below), whose sum is σ = 3712537472. Its totient is φ = 795042864.

The previous prime is 1855684339. The next prime is 1855684403. The reversal of 1855684348 is 8434865581.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1855684295 and 1855684304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100915 + ... + 117877.

Almost surely, 2^1855684348 is an apocalyptic number.

It is an amenable number.

1855684348 is an abundant number, since it is smaller than the sum of its proper divisors (1856853124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1855684348 is a wasteful number, since it uses less digits than its factorization.

1855684348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20881 (or 20879 counting only the distinct ones).

The product of its digits is 3686400, while the sum is 52.

The square root of 1855684348 is about 43077.6548572459. The cubic root of 1855684348 is about 1228.8570580090.

The spelling of 1855684348 in words is "one billion, eight hundred fifty-five million, six hundred eighty-four thousand, three hundred forty-eight".